Dunlop Sp446 235/75 R17

Dunlop Sp446 is a allround tyre made in total of 19 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/75 R17 is 30mm wider than the narrowest dimension (205) and 80mm narrower than the widest one (315). This tyre profile of 75 means the sidewall height of the tyre is 75% of the tyre width (235mm), which results in 176.25mm sidewall height.